def copy_of_datastream(self, new_filename=None):
prefixed_name = common.get_prefixed_name("ds_modified")
old_filename = self.datastream
if not new_filename:
descriptor, new_filename = tempfile.mkstemp(prefix=prefixed_name,
dir="/tmp")
os.close(descriptor)
shutil.copy(old_filename, new_filename)
self.datastream = new_filename
yield new_filename
self.datastream = old_filename
os.unlink(new_filename)
def _save_state(self, state_name):
prefixed_state_name = common.get_prefixed_name(state_name)
state = self._create_new_image(self.current_container,
prefixed_state_name)
return state
def _save_state(self, state_name):
prefixed_state_name = common.get_prefixed_name(state_name)
state = self.snapshot_stack.create(prefixed_state_name)
return state
def save_state(self, state_name):
self.running_state_base = common.get_prefixed_name(state_name)
running_state = self.running_state
return self._save_state(state_name)
def __init__(self, environment, name):
self.name = common.get_prefixed_name(name)
self.environment = environment
self.initial_running_state = True